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Shenzhen, CN
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last 30 patents
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Patent Application
OPTICAL FIBER RAW MATERIAL COMPOSITION, OPTICAL FIBER, AND OPTICAL...
Publication number
20230275388
Publication date
Aug 31, 2023
Huawei Technologies Co., Ltd
Guanshi QIN
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
TUNABLE OPTICAL ADD/DROP MULTIPLEXER
Publication number
20230231642
Publication date
Jul 20, 2023
Huawei Technologies Co., Ltd
Kui OUYANG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL COMPONENT CONSTITUTING FIBER AMPLIFIER, FIBER AMPLIFIER, AN...
Publication number
20230098573
Publication date
Mar 30, 2023
Huawei Technologies Co., Ltd
Shiyi CAO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
GRATING AND GRATING CHARACTERISTIC ADJUSTMENT METHOD AND DEVICE
Publication number
20230093290
Publication date
Mar 23, 2023
Huawei Technologies Co., Ltd
Shiyi Cao
G02 - OPTICS